CN112451054B

CN112451054B - Breast tumor cutting device

Info

Publication number: CN112451054B
Application number: CN202011108582.7A
Authority: CN
Inventors: 王明浩; 曾令娟; 范海燕; 樊俊利
Original assignee: First Affiliated Hospital of Army Medical University
Current assignee: First Affiliated Hospital of Army Medical University
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2022-03-25
Anticipated expiration: 2040-10-16
Also published as: CN112451054A

Abstract

The invention discloses a breast tumor cutting device. The cutter body driving device comprises an operating rod, a drilling assembly, an outer barrel, a cutting assembly, a deformation driving assembly and a cutter body driving assembly, wherein the operating rod is a hollow rod; the drilling assembly comprises a drill rod and a drill bit, and the drill bit is arranged on the drill rod; the outer cylinder is sleeved at the exposed end in a sliding manner, and the head and the tail of the outer cylinder are connected with the outer wall of the operating rod to form an accommodating cavity; the cutting assembly comprises a mounting net and a cutter, the mounting net is arranged at the insertion end and comprises a plurality of elastic mounting strips, one ends of the mounting strips are connected to the insertion end, the other ends of the mounting strips are free ends, the free ends are inserted into the accommodating cavities, and the cutter can move back and forth along the mounting strips; the deformation driving assembly is arranged in the accommodating cavity, is connected with the mounting strip and can drive the mounting net to expand or contract; cutter body drive assembly sets up on the mounting bar, can drive the cutter body along mounting bar round trip movement. This mammary gland tumour cutting device can be quick cuts the tumour, and then shortens the operation time.

Description

Breast tumor cutting device

Technical Field

The invention relates to a breast tumor cutting device.

Background

Breast tumors are common diseases bothering women, in the breast tumor resection, as patients strive to cure the diseases and meanwhile, due to aesthetic and psychological effects, the breast tumor resection of the pursuers develops towards the direction of small wound and high curative effect, and therefore, minimally invasive tumor resection operations are widely popularized. When minimally invasive tumor resection is performed, because part of tumors have larger volume and a body surface operation opening is smaller, the tumors can be taken out smoothly only by dividing the internal tumors into small blocks with the size of an external incision, but the existing tumor cutting device has a complex structure and needs to cut repeatedly, so that the cutting operation time is longer, and thus, inconvenience is brought to the operation.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a breast tumor cutting device which can rapidly cut tumors and further shorten the operation time.

In order to achieve the purpose, the invention is realized by the following technical scheme: a breast tumor cutting apparatus comprising:

the operating rod is a hollow rod, one end of the operating rod is an insertion end, and the other end of the operating rod is an exposed end;

the drilling assembly comprises a drill rod and a drill bit, the drill rod can slide and rotate and is inserted into the operating rod, the drill bit is arranged on the drill rod, and the drill bit can be exposed out of the insertion end;

the outer cylinder is sleeved at the exposed end in a sliding manner, and the head and the tail of the outer cylinder are connected with the outer wall of the operating rod to form an accommodating cavity;

the cutting assembly comprises a mounting net and a cutter, the mounting net is arranged at the insertion end and comprises a plurality of elastic mounting strips, the mounting strips are uniformly arranged at intervals along the circumferential direction of the insertion end to form the mounting net, one end of each mounting strip is connected to the insertion end, the other end of each mounting strip is a free end, the free end is inserted into the accommodating cavity, the cutter is arranged on the mounting strips, and the cutter can move back and forth along the mounting strips;

the deformation driving assembly is arranged in the accommodating cavity, is connected with the mounting strip and can drive the mounting net to expand or contract; and

and the cutter body driving assembly is arranged on the mounting bar and can drive the cutter body to move back and forth along the mounting bar.

Further, it includes push pedal and actuating lever to warp drive assembly, the push pedal is located hold the intracavity to slidable cover is established on the action bars, the mounting bar the free end is connected on the push pedal, the actuating lever along the axis setting of action bars is in on the push pedal, and extend to outside the top of urceolus.

Further, the actuating lever is the screw rod, actuating lever one end with the bottom of urceolus can rotate to be connected, the middle part of actuating lever with urceolus push pedal threaded connection, the tail end of actuating lever can rotate to pass the urceolus, the tail end of actuating lever is provided with rotary power source.

Further, the deformation driving assembly further comprises a guide rod, the guide rod is arranged in parallel with the driving rod, one end of the guide rod is arranged at the bottom of the outer barrel, the other end of the guide rod penetrates through the top of the outer barrel after the push rod penetrates through the top of the outer barrel, and the push plate can slide along the guide rod.

Further, the action bars is double-deck empty core rod, the mounting bar is empty core form, mounting bar one end sets up the action bars insert on the end outer wall and with the intermediate layer intercommunication of action bars, cutter body drive assembly includes the guide block, just the guide block is installed in the mounting bar, the guide block can slide in the mounting bar, the bottom of cutter is provided with has magnetic mounting block, just the cover that the mounting block can slide is established on the mounting bar, the cutter sets up on the mounting block.

Further, the guide block is a spherical body.

Furthermore, a ball is arranged on the contact surface of the mounting block and the mounting strip.

Furthermore, two limit grooves are formed in the inner wall of the operating rod at intervals, mounting holes are formed in the side wall of the drill rod along the radial direction, retractable clamping devices are arranged in the mounting holes, and the clamping devices can be slidably clamped in any one of the limit grooves.

Further, the screens ware includes elastic component and bolt, the elastic component sets up in the mounting hole, the bolt sets up on the elastic component, the bolt is kept away from the tip of elastic component is spherical, just the bolt can insert and establish the spacing inslot.

The invention has the beneficial effects that:

above-mentioned mammary gland tumour cutting device, including action bars, drilling subassembly, urceolus, deformation drive assembly, segmentation subassembly and cutter body drive assembly, during the use, start the drilling rod rotation earlier, the drill bit processes out basic hole earlier on the tumour. Then, start the deformation drive assembly, the deformation drive assembly drive the installation net inflation, simultaneously, start cutter body drive assembly, cutter body drive assembly then can drive the cutter along mounting bar back and forth movement, then can carry out the cutting of tumour. Through the mutual cooperation of the drill bit, the mounting net, the cutter, the deformation driving assembly and the cutter body driving assembly, a large tumor can be cut into a plurality of small valve bodies at one time, and the valve bodies can be taken out from the window, so that the aim of simple and rapid whole operation process is fulfilled.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

Fig. 1 is a schematic view of a breast tumor cutting device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the mounting net of the breast tumor cutting device of FIG. 1 in an expanded state;

FIG. 3 is a view of the breast tumor cutting device shown in FIG. 1 with the drill received in the insertion end;

FIG. 4 is a partial view taken at A of FIG. 1;

FIG. 5 is a partial view at B of FIG. 1;

reference numerals:

100-operating rod, 110-inserting end, 120-exposed end, 130-annular groove, 200-drilling component, 210-drilling rod, 211-mounting hole, 220-drilling bit, 300-outer cylinder, 400-containing cavity, 500-dividing component, 510-mounting net, 511-mounting bar, 520-cutting knife, 600-deformation driving component, 610-push plate, 620-driving rod, 630-rotary power source, 640-guide rod, 700-cutter body driving component, 710-guide block, 720-mounting block, 730-ball, 800-position clamping device, 810-elastic component and 820-bolt.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 to 5, the present invention provides a breast tumor cutting device, which includes a lever 100, a drilling assembly 200, an outer cylinder 300, a dividing assembly 500, a deformation driving assembly 600 and a cutter body driving assembly 700, and is used for dividing a breast tumor into small pieces in a minimally invasive surgery.

Specifically, the lever 100 is used for fixing other components and holding operation. The lever 100 is a hollow rod. The lever 100 has an insertion end 110 at one end and an exposed end 120 at the other end. In use, the insertion end 110 is positioned within the body and the exposed end 120 is used for gripping by the operator.

The drilling assembly 200 includes a drill rod 210 and a drill bit 220. The drill rod 210 is slidably and rotatably inserted into the operating rod 100, the drill bit 220 is disposed on the drill rod 210, and the drill bit 220 is exposed from the insertion end 110. When the tumor is divided, the tumor is firstly stripped from the human tissue, then the tumor is held by the auxiliary clamp, the drill bit 220 is aligned with the center of the tumor, then the drill rod 210 is connected with an external drilling device, and the external drilling device drives the drill rod 210 and the drill bit 220 to rotate until a through hole penetrating from one side to the other side is processed on the tumor. The through hole is used as a basic hole for carrying out tumor segmentation operation.

In this embodiment, two limiting grooves 130 are spaced apart from each other on the inner wall of the operating rod 100, and a mounting hole 211 is radially opened on the side wall of the drill rod 210. An extensible clamping device 800 is arranged in the mounting hole 211. The stopper 800 is slidably engaged in any one of the limiting grooves 130. The stopper 800 includes an elastic member 810 and a latch 820. The elastic member 810 is disposed in the mounting hole 211. The latch 820 is provided on the elastic member 810. The end of the bolt 820 far away from the elastic element 810 is spherical, and the bolt 820 can be inserted into the limiting groove 130. During drilling, the position-limiting device 800 is located in the position-limiting groove 130 close to the insertion end 110, the drill bit 220 is exposed out of the insertion end 110, drilling can be performed, after drilling is completed, the drill rod 210 is pulled outwards, the plug 820 is contracted, when the plug 820 moves into the position-limiting groove 130 far away from the insertion end 110, the drill bit 220 is located in the operating rod 100, and the drill bit 220 can be prevented from scratching other tissues of a human body.

The outer cylinder 300 is slidably fitted over the exposed end 120, and the outer cylinder 300 is connected end to end with the outer wall of the operating rod 100 to form a receiving cavity 400. The sectioning assembly 500 includes a mounting net 510 and a cutter 520. A mounting web 510 is disposed at the insertion end 110. The mounting web 510 includes a plurality of resilient mounting bars 511. A plurality of mounting bars 511 are uniformly spaced along the circumference of the insertion end 110 to form a mounting web 510. One end of the mounting bar 511 is connected to the insertion end 110, and the other end of the mounting bar 511 is a free end. The free end of the mounting bar 511 is slidably inserted into the receiving cavity 400. The cutter 520 is provided on the mounting bar 511, and the cutter 520 can move back and forth along the mounting bar 511. The deformation driving assembly 600, the deformation driving assembly 600 is arranged in the accommodating cavity 400, and can drive the installation net 510 to expand or contract. The blade body driving assembly 700 is provided on the mounting net 510 to drive the blade body to move back and forth along the mounting bar 511.

After the drill bit 220 finishes drilling, the deformation driving assembly 600 and the cutter body driving assembly 700 are started simultaneously, the deformation driving assembly 600 drives the mounting net 510 to expand outwards, the cutter body driving assembly 700 drives the cutter 520 to move back and forth along the mounting bar 511, the cutter 520 can cut the tumor in the moving process until finally the cutting assembly 500 divides the tumor into a plurality of small petals, and the small petals of the tumor are taken out of a window on the body surface through a pair of pliers.

In this embodiment, the deformation driving assembly 600 includes a push plate 610 and a driving rod 620. The push plate 610 is located in the accommodating cavity 400 and slidably sleeved on the operating rod 100, the free end is connected to the push plate 610, and the driving rod 620 is arranged on the push plate 610 along the axis of the operating rod 100 and extends to the outer cylinder 300. Preferably, the driving rod 620 is a screw rod, one end of the driving rod 620 is rotatably connected with the bottom of the outer cylinder 300, the middle part of the driving rod 620 is in threaded connection with the push plate 610 of the outer cylinder 300, the tail end of the driving rod 620 can rotatably penetrate through the outer cylinder 300, and the tail end of the driving rod 620 is provided with a rotary power source 630. The rotary power source 630 may be a rotary electric machine. In use, the rotational power source 630 may be activated to move the push plate 610 toward or away from the insertion end 110 to expand or contract the mounting web 510.

As a preferred embodiment, the distortion driving assembly 600 further includes a guide bar 640. The guide lever 640 is disposed in parallel with the driving lever 620, and one end of the guide lever 640 is disposed at the bottom of the outer tub 300, and the other end of the guide lever 640 passes through the push plate 610 and then is disposed at the top of the outer tub 300, and the push plate 610 can slide along the guide lever 640. The guide bar 640 has a guiding function, so that the push plate 610 can slide smoothly.

In the present embodiment, the lever 100 is a hollow rod having two layers. The mounting bar 511 is hollow. One end of the mounting bar 511 is disposed on an outer wall of the insertion end 110 of the lever 100 and communicates with the interlayer of the lever 100. The cutter body driving assembly 700 includes a guide block 710. A metal guide block 710 is arranged in the mounting bar 511, and the guide block 710 can slide in the mounting bar 511. The bottom of the cutter 520 is arranged on a magnetic mounting block 720, the mounting block 720 is sleeved on the mounting bar 511 in a sliding manner, and the cutter 520 is arranged on the mounting block 720. When the cutting knife 520 needs to be driven to move, air can be injected or sucked into the interlayer of the operating rod 100 to change the air pressure in the operating rod 100, so that the guide block 710 can be pushed to advance or retreat in the mounting strip 511, the cutting knife 520 is driven to move back and forth along the mounting strip 511 through magnetic force, and the tumor near the cutting knife 520 can be cut.

The guide block 710 is preferably spherical to facilitate unobstructed movement of the guide block 710 within the mounting bar 511, and in a preferred embodiment, the mounting block 720 is provided with a ball 730 on its interface with the mounting bar 511. The balls 730 reduce the friction between the contact surfaces of the mounting block 720 and the mounting strip 511, thereby facilitating the smooth sliding of the mounting block 720.

The working principle and the using mode of the breast tumor cutting device are as follows:

when the division is carried out, firstly, a micro window is arranged on the breast, and then, the tumor and the internal tissue of the human body are peeled off through a surgical instrument; then, the tumor is held by the auxiliary clamp, the drill bit 220 is aligned with the center of the tumor, and the drill rod 210 is connected with an external drilling device, and the external drilling device drives the drill rod 210 and the drill bit 220 to rotate until a through hole penetrating from one side to the other side is machined in the tumor. Subsequently, drilling is stopped and the drill bit 220 is pulled outwardly, the latch 820 retracts, and the latch 820 moves into the retaining groove 130 away from the insertion end 110, with the drill bit 220 positioned on the lever 100.

Then, the rotary power source 630 is driven, the operating rod 100 is connected with an external inflating device, when the rotary power source 630 rotates in the forward direction, the push plate 610 can be driven to approach the insertion end 110, the mounting net 510 is driven to expand slowly, at the moment, the inflating device continuously injects or extracts gas into or out of the operating rod 100, the cutting knife 520 is driven to continuously move back and forth along the mounting bar 511, and the tumor can be cut by the cutting knife 520.

When the cutting is finished, the tumor is divided into a plurality of small valve bodies, and the operator can take out the small valve bodies from the window through tweezers. Finally, the operation rod 100 is disconnected from the air charging device, the rotary power source 630 is started to rotate reversely, the push plate 610 is driven to retreat, the mounting net 510 can be contracted, and the whole breast tumor cutting device can be taken out.

The breast tumor cutting device comprises an operating rod 100, a drilling assembly 200, an outer cylinder 300, a cutting assembly 500, a deformation driving assembly 600 and a cutter body driving assembly 700, wherein when the breast tumor cutting device is used, a drill rod 210 is firstly started to rotate, and a drill bit 220 firstly machines a basic hole on a tumor. The rotating power source 630 is started to rotate forward or backward, so that the push plate 610 can be pushed to slide, the mounting net 510 is driven to expand or contract, meanwhile, gas is injected or sucked into the accommodating cavity 400 through the operating rod 100, the guide block 710 is driven to move, the cutting knife 520 can be driven to move back and forth along the mounting strip 511 through the driving of magnetic force, and the tumor can be cut. Through mutually supporting of drill bit 220, installation net 510, cutter 520, can cut apart into a plurality of less petal bodies with the bold tumor to with the petal body take out from the window can, whole easy operation, swift, in the operation process, only need once cutting operation, can cut apart into the fritter with the tumor, and then reach simple, efficient purpose.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. A breast tumor cutting device, comprising:

the drilling assembly comprises a drill rod and a drill bit, the drill rod can be inserted into the operating rod in a sliding and rotating mode, the drill bit is arranged on the drill rod, and the drill bit can be exposed out of the insertion end;

the cutting assembly comprises a mounting net and a cutter, the mounting net is arranged at the insertion end and comprises a plurality of elastic mounting strips, the mounting strips are uniformly arranged at intervals along the circumferential direction of the insertion end to form the mounting net, one end of each mounting strip is connected to the insertion end, the other end of each mounting strip is a free end, the free end is inserted into the accommodating cavity, the cutter is arranged on the mounting strips and can move back and forth along the mounting strips, and the cutter can cut a tumor into a plurality of small valve bodies in the moving process;

the cutter body driving assembly is arranged on the mounting bar and can drive the cutter body to move back and forth along the mounting bar;

the utility model discloses a cutter, including the action bars, the action bars is double-deck hollow rod, the mounting bar is hollow form, mounting bar one end sets up the action bars insert on the end outer wall and with the intermediate layer intercommunication of action bars, cutter body drive assembly includes the guide block, just the guide block is installed in the mounting bar, the guide block can slide in the mounting bar, the bottom of cutter is provided with has magnetic installation piece, just the cover that the installation piece can slide is established on the mounting bar, the cutter sets up on the installation piece.

2. The breast tumor cutting device according to claim 1, wherein the deformation driving assembly comprises a push plate and a driving rod, the push plate is located in the accommodating cavity and slidably sleeved on the operating rod, the free end of the mounting bar is connected to the push plate, and the driving rod is arranged on the push plate along the axis of the operating rod and extends out of the top of the outer cylinder.

3. The breast tumor cutting device according to claim 2, wherein the driving rod is a screw rod, one end of the driving rod is rotatably connected with the bottom of the outer cylinder, the middle part of the driving rod is in threaded connection with the push plate of the outer cylinder, the tail end of the driving rod can rotatably penetrate through the outer cylinder, and the tail end of the driving rod is provided with a rotary power source.

4. The breast tumor cutting device of claim 3, wherein the deformation driving assembly further comprises a guide rod, the guide rod is arranged in parallel with the driving rod, one end of the guide rod is arranged at the bottom of the outer cylinder, the other end of the guide rod is arranged at the top of the outer cylinder after passing through the push plate, and the push plate can slide along the guide rod.

5. The breast tumor cutting device of claim 1, wherein the guide block is a spherical body.

6. The breast tumor cutting device of claim 5, wherein a ball is disposed on the contact surface of the mounting block and the mounting bar.

7. The breast tumor cutting device according to claim 1, wherein the inner wall of the operating rod is provided with two spacing grooves at intervals, the side wall of the drill rod is provided with a radial mounting hole, a retractable retainer is arranged in the mounting hole, and the retainer can be slidably retained in any one of the spacing grooves.

8. The breast tumor cutting device of claim 7, wherein the retainer comprises an elastic member and a bolt, the elastic member is disposed in the mounting hole, the bolt is disposed on the elastic member, the end of the bolt far away from the elastic member is spherical, and the bolt can be inserted into the limiting groove.